发明名称 |
Kontrollerad expansion av bergbult |
摘要 |
The present invention is related to a method for manual installation of rock bolts expandable by means of a pressure media comprising manual coupling of a pressure source to a rock bolt to be expanded. The method comprises the steps of an operator starting a sequence whereby the rock bolt is pressurized to a predetermined pressure, and it being ensured that the predetermined pressure is kept for a predetermined period of time. The present invention is also related to such a control system, and an apparatus comprising such a control system. |
申请公布号 |
SE0301377(D0) |
申请公布日期 |
2003.05.12 |
申请号 |
SE20030001377 |
申请日期 |
2003.05.12 |
申请人 |
ATLAS COPCO ROCK DRILLS AB |
发明人 |
HANS GUSTAVSSON;MORGAN KANFLOD;TOMMY PERSSON;NICKLAS OERJAS;TAPIO TOIVONEN;FREDRIK OEBERG;GOERAN SJOESTEDT |
分类号 |
E21D20/00;E21D21/00;(IPC1-7):E21D/ |
主分类号 |
E21D20/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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